Survivor (Twilight/Harry Potter Crossover)...
Years after Breaking Dawn, Jacob and Renesmee have a daughter, Lexi. But when the Cullens have to leave for fear of being discovered, Nessie has to leave Lexi and Jacob behind. On Lexi's 11th birthday, she experiences some magical things, and after receiving a letter from Hogwarts, she is reluctantly sent there. While at Hogwarts, she meets Ron, Harry and Hermione and the four become best friends as they go through different adventures together.
All characters except for Lexi are property of Meyer and Rowling.